Enterasys Networks Outdoor Antenna Network Card User Manual
Contents
1. Electrical Frequency Range 2 4 GHz VSWR Less than 2 1 1 5 1 Nominal e Nominal 50 Ohms Impedance Gain 14 dBi e Front to Back greater than 20 dB Ratio e Half Power 3dB Beamwidth e Vertical E plane 30 8 Degrees Horizontal 31 4 Degrees H plane e Polarization Linear Vertical or Horizontal Antenna Environment Operating 40 C to 60 C 40 F to 140 F Temperature Wind survival At least 128 km h 80 mph mph Wind Surface Area 7 56 square cm 0 248 square feet 1 At least 104 km h 65 mph with 1 25 cm 0 5 in ice RoamAbout 7 dBi Omni Directional Antenna RoamAbout 7 dBi Omni Directional Antenna The RoamAbout omni directional antenna is a broadband antenna for the 2 4 GHz frequency band featuring an omni directional pattern with a nominal gain of 7 dBi This antenna is encapsulated in a weatherproof protective covering With the hardware provided this vertically polarized antenna can be mounted on an antenna mast with an outside diameter of up to 51 mm 2 in The table below provides the antenna specifications Table A 2 7 dBi Omni Directional Antenna Specifications Mechanical e Size 45 7 cm 18 in e Mounting method Clamps to vertical mast with outside diameter up to 51 mm 2 in Cable None Connector Type Access Point 2000 FCC Countries Reverse Polarity N male ETSI Countries France Standard N female2. A 6 RoamAbout Lightning Protector 00 0 ce eh A 8 Preface This guide describes the requirements that are needed for the successful installation of the RoamAbout outdoor antennas used in a RoamAbout wireless network A RoamAbout wireless network consists of RoamAbout wireless products such as the RoamAbout PC Card RoamAbout Access Point RoamAbout R2 Wireless Access Platform and other wireless products that use an 802 11 Direct Sequence DS compliant radio installation procedures f ELECTRICAL HAZARD Only qualified personnel should perform The RoamAbout outdoor antennas need to be installed by an antenna installation professional who can determine provide and install the necessary support structure and grounding system The antenna installation professional should be licensed or certified in accordance with local regulations NOTE AP refers to the Access Point 2000 and the RoamAbout R2 Wireless Access Platform unless otherwise specified in this document Intended Audience Chapter 1 contains the information needed by a sales engineer or site evaluator to determine the type of outdoor equipment needed to satisfy the customer s outdoor wireless requirements Chapter 2 is for an antenna installation professional and network manager to determine where to place the RoamAbout AP and Lightning Protector This chapter also provides an overview of cabling and configuring the Access Point Chapter 3 cont
3. Antenna Cable OUTDOOR J INDOOR i Low Loss 4 Cable 2 Lightni Protector 6 Edi 9 Ground Pigtail Connection 3 Remote Power if Adapter gt To Power Ne ND Outlet s100pinQ punog yey punog ue3 Insert Ethernet Located Behind Cable From PC Card Slot 2 Network PC Card Slot 1 5 lt RoamAbout R2 4 Ensure both Earth Ground Connections are connected to the same Earth Ground using an equipotential bonding conductor Antenna Options RoamAbout 7 dBi Omni Directional Antenna The RoamAbout omni directional antenna is a broadband antenna for the 2 4 GHz frequency band featuring an omni directional pattern with a nominal gain of 7 dBi This antenna is encapsulated in a weatherproof protective covering With the hardware provided this vertically polarized antenna can be mounted on an antenna mast with an outside diameter of up to 51mm 2 in Access Point 2000 Table 1 5 lists the antenna and related components with their part numbers The numbers in the first column correspond to the numbers in Figure 1 7 which shows an example of a RoamAbout Access Point 2000 cabling configuration Table 1 5 Omni Directional Component Part Numbers Access Point 2000 Packaged Component Part Numbers by Domain Kit Component FCC ETSI and France Asia Pacific FCC Asia Pacific ETSI OUTDOOR CSIE
4. 8 5 2 6 Contents 3 Antenna Installation Installation Overview secs ss ek o Ra Ee edd rp e DURS er e 3 2 Verify Component Connector Polarity 8 3 2 Grounding System 2 ulcers a epe MER eR Rr Sg ge 3 5 Lightning Protector Installation 2 0 0 0 eA 3 6 Mounting the Antenna sake eed eee Rr RR REESE EE DR ee ee 3 8 Requirements for the Directional and 7 dBi Omni Directional Antennas 3 8 Antenna Polarization e eee enn eee 3 9 Mounting the Directional Antenna ee eee 3 10 Mounting the Omni Directional 3 12 Mounting the Vehicle Mount 3 14 Connecting the Antenna Cables 1 0 0 0 eee tees 3 15 Antenna Cable oper FS we oe ig 3 15 Connecting the Cables eR eR eR E 3 16 Optimizing RoamAbout Outdoor Antenna Placement 3 17 Routine Maintenance sas gs ee pe he M eR ee E 3 18 A Specifications RoamAbout 14 dBi Directional 1 RoamAbout 7 dBi Omni Directional Antenna A 3 Vehicle Mount Antena es e en GEN ehe a aD eR EN Te Tre Eae 4 RoamAbout Pigtail 8 rrr 5 Low Loss Antenna
5. a GAUGE 1 2 Pigtail Lightning Low Loss Antenna Connection Protector Cable D A B C ETSI Countries France Spain and FCC Countries Japan Asia Pacific FCC and ETSI a Reverse Polarity N Female Reverse Polarity N Male Standard N Female KE am 1 PC Card connector 1 PC Card connector 2 Standard N Male 2 Reverse Polarity N Female Standard N Female on both ends Reverse Polarity N Male on both ends Standard N Male on both ends Reverse Polarity N Female on both ends Standard N Female Reverse Polarity N Male The term Male or Female does not refer to the connector thread but to its center pin Male connectors have a solid center pin Female connectors have a hollow center pin Male Female If you purchase individual components make sure you specify the correct N Type connectors to match the configuration that applies to your country 3 3 Verify Component Connector Polarity Figure 3 2 Selecting the Correct N Type Connector for the RoamAbout R2 UN ES NOE UD k Pigtail Lightning Low Loss Antenna Connection Protector Cable D A B C FCC and ETSI Countries A 1 PC Card connector 2 Standard N Male S
6. item of information that may be of special importance Chapter 1 Site Preparation This chapter describes the site requirements that are needed for the successful installation of the RoamAbout outdoor antennas It is intended for sales engineers or site evaluators with national codes local electrical codes and with other regulations governing this type of installation Enterasys Networks its channel partners resellers and distributors assume no liability for personal injury property damage or violation of government regulations that may arise from failing to comply with the instructions in this guide O WARNING Site prerequisites should be verified by a person familiar NOTE AP refers to the Access Point 2000 and the RoamAbout R2 Wireless Access Platform unless otherwise specified in this document If after reviewing this document you require additional technical information or support prior to ordering product contact your authorized Enterasys Networks Representative or see the RoamAbout web site http www enterasys com wireless 1 1 Choosing a Wireless Network Configuration Choosing a Wireless Network Configuration The antennas you need depend on the wireless network configuration LAN to LAN Point to Point This is a wireless link between two APs that connects two separate wired LANs Typically two directional antennas are used LAN to LAN Point to Multipoint In a point to multipoint ne
7. wee e VN Site Preparation and Installation Guide P N 9033348 05 NOTICE Enterasys Networks reserves the right to make changes in specifications and other information contained in this document and its web site without prior notice The reader should in all cases consult Enterasys Networks to determine whether any such changes have been made The hardware firmware or software described in this document is subject to change without notice IN NO EVENT SHALL ENTERASYS NETWORKS BE LIABLE FOR ANY INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING BUT NOT LIMITED TO LOST PROFITS ARISING OUT OF OR RELATED TO THIS DOCUMENT WEB SITE OR THE INFORMATION CONTAINED IN THEM EVEN IF ENTERASYS NETWORKS HAS BEEN ADVISED OF KNEW OF OR SHOULD HAVE KNOWN OF THE POSSIBILITY OF SUCH DAMAGES May 2002 Enterasys Networks All Rights Reserved Enterasys Networks Inc 500 Spaulding Turnpike Portsmouth NH 03801 Part Number 9033348 05 Web Site http www enterasys com wireless Enterasys Enterasys Networks RoamAbout and the RoamAbout logo are trademarks of Enterasys Networks Inc PC Card is a trademark of PCMCIA All other trademarks and registered trademarks are the property of their respective holders Notice Regulatory Information Canada The products included with the RoamAbout Outdoor Kit for outdoor antenna installations comply with GL 36 of Industry and Science Canada FCC Notice
8. Plan and implement a grounding system that meets local electrical codes and safety standards Install the RoamAbout Lightning Protector Provide and install an antenna support structure as necessary Make sure that the support structure is connected to the grounding system Connect the exposed metal connectors of the low loss antenna cable to the grounding system Mount the antenna to the support structure Connect the antenna cables Route and connect the low loss antenna cable to the RoamAbout Lightning Protector that has been installed indoors Connect the cable assembly from the RoamAbout PC Card in the AP to the Lightning Protector Run the AP Manager Link Test program to aim the antenna and verify optimal placement After verifying that the communications link is fully operational secure all cables and use weatherproofing tape to seal all outdoor connectors Verify Component Connector Polarity 3 2 Before you start the antenna installation refer to Figure 3 1 Access Point 2000 and Figure 3 2 RoamAbout R2 to verify that the polarity of each connector is correct for your installation The components supplied with your outdoor antenna are configured with either Standard N connectors or Reverse Polarity N connectors subject to the country where the kit was purchased Verify Component Connector Polarity Figure 3 1 Selecting the Correct N Type Connector for the Access Point 2000 SD
9. A 5 6 Low Loss Antenna Cable Low Loss Antenna Cable The RoamAbout low loss cable is available in the following standard lengths e 15 meters 50 feet see Table 5 e 22 meters 75 feet see Table A 6 To ensure you order the right cable length carefully determine the distance between the locations where you intend to mount the RoamAbout AP and outdoor antenna Table 5 Cable Specifications for the 15 Meter 50 Foot Antenna Mechanical Specifications Length 15 meter 50 ft e Diameter 10 mm 0 4 in Weight 101 2 gram meter 0 068 Ibs ft Bend Radius 25 mm 1 in Connector Type Access Point 2000 e FCC Countries Reverse Polarity N Female on both ends ETSI Countries France Standard N Male on both ends Japan Asia Pacific Connector Type RoamAbout R2 FCC Countries Standard N Male on both ends ETSI Countries France Standard N Male on both ends Japan Asia Pacific Operating Temperature 40 C to 85 C 40 F to 185 F Electrical Specifications e Insertion Loss 0 22 dB meter 6 8 dB 100 feet Total for this cable 3 5 dB Low Loss Antenna Cable Table A 6 Cable Specifications for the 22 Meter 75 Foot Antenna Mechanical Specifications Length 22 meter 75 ft e Diameter 10 mm 0 4 in Weight 101 2 gram meter 0 068 Ibs ft Bend Radius 25 mm 1 in Connector Type Access Point 2000 e FC
10. Japan Asia Pacific Connector Type RoamAbout R2 FCC Countries Standard N Female ETSI Countries France Standard N Female Japan Asia Pacific Electrical Frequency Range 2 4 GHz VSWR Less than 2 1 Nominal e Nominal Impedance 50 Ohms Gain 7 dBi e Polarization Linear Vertical Antenna Environment e Operating Temperature 40 to 60 40 F to 140 F e Wind survival mph At least 128 km h 80 mph Wind Surface Area 7 56 square cm 0 248 square feet 1 At least 104 km h 65 mph with 1 25 cm 0 5 in ice A 3 Vehicle Mount Antenna Vehicle Mount Antenna The RoamAbout vehicle mount antenna can be mounted on vehicles such as fork lift trucks that need continuous access to networked data whether inside or outside of the building The following table provides the specifications for the vehicle mount antenna Table A 3 Vehicle Mount Antenna Specifications Mechanical Connector Type Access Point 2000 FCC Countries Reverse Polarity N Male ETSI Countries France Japan Asia Pacific Standard N Female Connector Type RoamAbout R2 FCC Countries Standard N Female ETSI Countries France Japan Asia Pacific Standard N Female Electrical e Frequency Range 2400 2438 MHz e VSWR Voltage Standing Wave Ratio 1 5 1 e Nominal Impedance 50 Ohms Gain 5 dBi Half Powe
11. Note The devices included with the outdoor kit have been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna ncrease the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help CAUTION Changes or modifications made to the devices which are not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Europe EU Declaration of Conformity Enterasys Networks declares that the RoamAbout products included in the RoamAbout Outdoor Kit conform to the specifications listed below fol
12. 2 dB Surge Current 2000 Amp e Nominal Impedance 50 Ohms A 8
13. Refer to the RoamAbout AP Manager online help and the RoamAbout 802 11 Wireless Networking Guide for configuration information Figure 2 3 RoamAbout AP Manager BS Overview of the AP Configuration 2 7 Chapter 3 Antenna Installation This chapter provides the information necessary for a professional antenna installer to install the RoamAbout antennas qualified antenna installer The antenna installation professional should be licensed or certified in accordance with local regulations Do not install the antenna in wet windy icy or otherwise unsafe weather conditions f ELECTRICAL HARZARD Antennas should only be installed by a The RoamAbout outdoor antenna kits do NOT provide the following items which may be necessary to install the antenna e Mast or other antenna support structure e Guy wires e All cables or other hardware necessary for a complete grounding system e Waterproof tape NOTE It is the responsibility of the end user to ensure that an outdoor antenna installation complies with local radio regulations 3 1 Installation Overview Installation Overview The installation process is summarized in the following steps The following sections in this chapter provide additional details 1 2 10 11 12 Make sure the APs are mounted and configured as specified in Chapter 2 Check the cable connectors to verify that they are the correct polarity for your installation
14. RoamAbout Lightning Protector in your outdoor antenna installation Maintenance involves replacing the Gas Discharge Tube GDT at some interval depending on the lightning transient discharge activity in your area NOTE Contact a local antenna installation company to determine the maintenance schedule for each RoamAbout Lightning Protector in your NOTE outdoor antenna installation 3 18 Appendix Specifications This appendix lists the specifications of the various RoamAbout outdoor antenna products RoamAbout 14 dBi Directional Antenna The directional antenna is a totally enclosed 16 element Yagi designed for point to point communications The antenna is normally mounted on a mast and vertically polarized Table A 1 14 dBi Directional Antenna Specifications Mechanical e Size 45 7 cm 18 in e Mounting Method Vertical mast with an outside diameter between 35 mm 1 4 in and 42 mm 1 6 in using u bolts Wall using plugs and screws Cable Type RG 58A U 50 ohm low loss coax Length 31 1 4 in 1 in e Color White Connector Type Access Point 2000 FCC Countries Reverse Polarity N Male ETSI Countries Standard N Female France Japan Asia Pacific Connector Type RoamAbout R2 FCC Countries Standard N Female ETSI Countries Standard N Female France Japan Asia Pacific A 1 RoamAbout 14 dBi Directional Antenna A 2
15. World Wide Web http www enterasys com wireless Phone North America 603 332 9400 Europe 353 61 701 910 Asia 800 8827 2878 Internet mail support enterasys com To send comments or suggestions concerning this document contact the Enterasys Networks Technical Writing Department via the following e mail address TechWriting enterasys com Make sure you include the document Part Number in the e mail message Before calling Enterasys Networks please have the following information ready e Your Enterasys Networks service contract number e description of the problem e description of any action s already taken to resolve the problem e The serial and revision numbers of all involved Enterasys Networks products in the network e description of your network environment for example layout cable type e Network load and frame size at the time of trouble if known e device history for example have you returned the device before 15 this a recurring problem e Any previous Return Material Authorization RMA numbers Document Conventions The following icons are used in this document Icon Meaning ELECTRICAL HAZARD Warns against an action that could result in personal injury or death personal injury or death CAUTION Contains information essential to avoid damage to the equipment O WARNING Warns against an action that could result in NOTE Calls the reader s attention to
16. first column correspond to the numbers in Figure 1 8 which shows an example of a RoamAbout R2 cabling configuration Table 1 6 RoamAbout R2 Component Omni Directional Part Numbers Packaged Kit Component Part Numbers by Domain Component FCC ETSI and Asia Pacific ETSI OUTDOOR RBTED AA MO7 RBTED AB M07 ANTENNA KIT Antenna CSIES AB M07 CSIES AB M07 50 foot Cable CSIES AB C50 CSIES AB C50 Pigtail Connection CSIES AB PT50 CSIES AB PT50 RoamAbout R2 RBTR2 AB RBTR2 AB PC Card CSIBD AA 128 CSIBD AB 128 6 Lightning Protector CSIES AB LP CSIES AB LP European Telecommunications Standards Institute 128 bit encryption RoamAbout PC Card NOTE An optional 75 foot cable part number CSIES AB C75 not included in the kit is also available Contact your Enterasys Networks Representative for more information NOTE Antenna Options Figure 1 8 Omni Directional Antenna Configuration Example RoamAbout R2 Antenna 1 3 Mounting Pole or Mast Ground OUTDOOR INDOOR x Low Loss Cable 2 Lightning 9 Protector 6 Ground Pigtail Connection 3 Remote Power Adapter gt K To Power Outlet Located Behind PC Card Slot 2 Insert Ethernet Cable From Network s100p nO punoi yey s100pinQ punog yeg PC Card Slot 2 5 PC Card Slot 1 5
17. use connectors as cable grips to pull cable through raceways or conduits e Do not use cable connectors to support the weight of the cable during or after installation e Do not use tools to tighten connectors finger tighten only 3 15 Connecting the Antenna Cables Connecting the Cables Once the antenna is properly installed you can connect the antenna to the RoamAbout AP via the RoamAbout Lightning Protector 1 2 Verify that the low loss antenna cable is properly connected to the antenna cable Secure the low loss cable to the mast such that the cable connectors do not support the full weight of the cable Provide a drip loop at the bottom of the low loss cable just before it enters the building Connect the opposite end of the low loss cable to the RoamAbout Lightning Protector ii CAUTION To avoid damage to the antenna cable and connectors do not use tools to tighten cable connectors Prior to securing the cable along its complete length use the RoamAbout AP Manager program to analyze wireless performance and optimal placement of the outdoor antenna as described in the Optimizing RoamAbout Outdoor Antenna Placement section on page 3 17 If required adjust the direction of the antenna Once the installation has been fully tested tighten antenna mounting nuts to lock the antenna into its position nuts and screws used to mount the antenna a CAUTION To prevent damage avoid overtightening the connect
18. 0 ft 1 2 mi 18 4 ft 1 15 8 km 20 3 m 7 1 km 11 3 m 2 5 km 6 3 m 9 8 mi 67 ft 4 4 mi 37 ft 1 5 mi 21 ft Determining the Antenna Locations Table 1 2 Distances and Line of Sight Clearance ETSI Data 14 dBi Yagi to 14 dBi Yagi 14 dBi Yagi to 7 dBi Omni 7 dBi Omni to Rate Vehicle Mount Mbit s 7 Distance Line of Distance Line of Distance Line of Sight Sight Sight Clearance Clearance Clearance 11 2 5 km 6 3m 1 1 km 4 m 0 8 km 3 4m 1 5 mi 21 ft 0 7 mi 14 ft 0 5 mi 11 2 fo 5 5 3 5 km 7 5m 1 6 km 4 9m 1 1 km 4 1m 2 5 km 9 1m 2 2 km 5 9m 2km 5 6m 3 1 mi 30 ft 1 4 mi 20 ft 1 2 mi 18 4 ft 1 7 1 km 11 3m 3 2 km 7 1m 2 5 km 6 3 m 4 4 mi 37 ft 2 mi 24 ft 1 5 mi 21 ft The Yagi antenna must be connected to an AP configured with the Hi Gain matched RoamAbout PC Card RoamAbout PC Card Variations 1 4 There are two variations of the RoamAbout PC Card standard and Hi Gain matched The Hi Gain matched variation of the RoamAbout PC Card is only used when connecting to a directional antenna in countries that adhere to the European Telecommunications Standards Institute ETSI standards other countries and other configurations use the same standard RoamAbout PC Card For example all countries use the standard RoamAbout PC Card in these configurations e Card is not connected to an antenna e C
19. C Countries Reverse Polarity N Female on both ends ETSI Countries France Standard N Male on both ends Japan Asia Pacific Connector Type RoamAbout R2 e FCC Countries Standard N Male on both ends ETSI Countries France Standard N Male on both ends Japan Asia Pacific Operating Temperature 40 C to 85 C 40 F to 185 F Electrical Specifications e Insertion Loss 0 22 dB meter 6 8 dB 100 feet e Total for this cable 5 1 dB A 7 RoamAbout Lightning Protector RoamAbout Lightning Protector The RoamAbout Lightning Protector is a surge arrestor that protects your sensitive RoamAbout equipment from high voltage currents caused by discharge and transients at the antennas Table A 7 lists the specifications for the RoamAbout Lightning Protector Table A 7 Lightning Protector Specifications Mechanical Size Height 69 mm 2 7 in e Diameter 26 mm 1 in Weight 133 g 4 7 oz Connector Type Access Point 2000 e FCC Countries Reverse Polarity N Male on both ends ETSI Countries France Standard N Female on both ends Japan Asia Pacific Connector Type RoamAbout R2 FCC Countries Standard N Female on both ends ETSI Countries France Standard N Female on both ends Japan Asia Pacific Operating Temperature 40 C to 85 C 40 F to 185 Electrical Frequency Range 800 2500 MHz e Insertion Loss 0
20. D AA M07 CSIED AB M07 CSIED AF MO7 CSIED APFCCM7 ANTENNA KIT 1 Antenna CSIES AA MO7 CSIES AB M07 CSIES AB M07 CSIES AB M07 2 50 foot CSIES AA C50 CSIES AB C50 CSIES AB C50 CSIES AB C50 Cable 3 Pigtail CSIES AA PT50 CSIES AB PT50 CSIES AB PT50 CSIES AB PT50 Connection 4 Access Point CSIWS AA CSIWS AB CSIWS AB CSIWS AB 2000 5 PC Card CSIBD AA 128 CSIBD AB CSIBD AF CSIBD AA 6 Lightning CSIES AA LP CSIES AB LP CSIES AB LP CSIES AB LP Protector European Telecommunications Standards Institute 128 bit encryption RoamAbout PC Card NOTE An optional 75 foot cable part number CSIES AA C75 or CSIES AB C75 not included in the kit is also available Contact your Enterasys Networks Representative for more information NOTE Antenna Options Figure 1 7 Omni Directional Antenna Configuration Example Access Point 2000 Antenna 1 3 Mounting OUTDOOR INDOOR Low Loss Mc 2 Lightning a Protector 6 gt o Ground Pigtail Connection 3 B Remote Power Adapter gt KCO Power Outlet PC Card 5 Cable from Network S100pino punog yey s100pinQ punog yey Ensure both Earth Ground Connections are connected to the same Earth Ground using an equipotential bonding conductor Antenna Options RoamAbout R2 Table 1 6 lists the antenna and related components with their part numbers The numbers in the
21. Installation Company Installation Requirements a Determine the best location for the AP N Determine the length of cable required from the antenna to the AP E Ensure the location has an accessible Ethernet connection N Determine the distance between buildings You may need to provide the following distances when contacting the antenna installation company Distance between the antennas building to building network Coverage area required wireless infrastructure network configuration Height of building A Height of building B possible obstacles that can interfere with the defined radius 2 1 Overview of Connecting Cables to the Access Point Overview of Connecting Cables to the Access Point Before cabling the Access Point 2000 you should install the Access Point to a wall or ceiling For detailed hardware installation procedures see the RoamAbout Access Point 2000 Hardware Installation Guide Figure 2 1 provides you with an illustration of the steps listed in the following procedure 1 Insert the PC Card into the Access Point Refer to the RoamAbout 802 11 PC Card Installation Guide for Regulatory and Installation information before installing the PC Card Figure 2 1 Access Point 2000 Installation Overview 2 2 7 8 Overview of Connecting Cables to the Access Point Remove the plastic cap from the PC Card and connect the pigtail cable After t
22. Lightning Protector 6 7 Ground Pigtail Connection 3 gt Remote Power A Adapter m m w w 5 To Power Outlet 8 g Cable from o Network amp l o o 9 9 E Access Point 4 3 Ensure both Earth Ground Connections are connected to the same Earth Ground using an equipotential bonding conductor Antenna Options RoamAbout R2 Table 1 4 lists the packaged kit components The numbers in the first column correspond to the numbers in Figure 1 6 which shows an example of a RoamAbout R2 cabling configuration Table 1 4 RoamAbout R2 Directional Antenna Component Part Numbers Packaged Kit Component Part Numbers by Domain Component FCC ETSI OUTDOOR RBTED AA RBTED AB ANTENNA KIT 1 Antenna CSIES AB Y14 CSIES AB Y14 2 50 foot Cable CSIES AB C50 CSIES AB C50 3 Pigtail Connection CSIES AB PT50 CSIES AB PT50 4 RoamAbout R2 RBTR2 AB RBTR2 AB 5 PC Card CSIBD AA 128 CSILD AB 128 6 Lightning Protector CSIES AB LP CSIES AB LP European Telecommunications Standards Institute 128 bit encryption RoamAbout PC Card NOTE An optional 75 foot cable part number CSIES AB C75 not included in the kit is also available Contact your Enterasys Networks Representative for more information Antenna Options Figure 1 6 Yagi Antenna Configuration Example RoamAbout R2 Antenna 1 Ground
23. a with a standard 6 meter 20 foot 15 meter 50 foot or 22 meter 75 foot low loss cable A longer cable could cause additional signal loss and decrease the distance between antennas 1 8 Antenna Options Antenna Options The following sections describe the RoamAbout outdoor antennas Appendix A contains the specifications for each antenna RoamAbout 5 dBi Vehicle Mount Antenna The RoamAbout vehicle mount antenna Figure 1 4 is a broadband antenna for the 2 4 GHz frequency band featuring an omni directional pattern with a nominal gain of 5 dBi The vehicle mount antenna can be mounted on vehicles such as fork lift trucks that need continuous access to network data whether inside or outside of the building Packaged Kit Component Component Part Numbers by Domain FCC ETSI ANTENNA VEHICLE MOUNT CSIES AA MO5 CSIES AB MO5 NOTE Figure 1 4 Vehicle Mount Antenna OASP 04G NOTE The pigtail cable part number CSIES PT250 used with the Vehicle Mount Antenna is sold separately Antenna Options RoamAbout 14 dBi Directional Antenna The directional antenna is a totally enclosed 16 element Yagi designed for point to point communications The antenna is normally mounted on a mast and vertically polarized The following sections show the components and part numbers in the RoamAbout directional antenna kit Access Point 2000 Table 1 3 lists the packaged kit
24. ace Intended Audience eT ee Ein Ee TN ale aden vii Associated Documents lisse RR e e hrs Vili Getting Help eni ix Document Conventions a a a eee RR RR nan x 1 Site Preparation Choosing a Wireless Network Configuration 1 2 Determining the Antenna Locations 5 1 2 Maximum Distances Between Antennas 1 3 RoamAbout PC Card Variations 1 4 Line ofSight 250k boa See hE ge each tnd Chae e e CER 1 5 Other Factors That Can Reduce Antenna Range 1 7 Other Requirements Gehl hee oii eee ew oe oe 1 8 Antenna Options i exa pe db eds RC ERG BL BS RUE ERR 1 9 RoamAbout 5 dBi Vehicle Mount 1 9 RoamAbout 14 dBi Directional 1 10 RoamAbout 7 dBi Omni Directional 1 14 Contacting an Antenna Installation Company 0 0 00 cece eee eee 1 18 2 AP Placement and Configuration Determining the Location of the AP 0 0 0 eee e 2 1 Overview of Connecting Cables to the Access Point 2 2 Overview of Connecting Cables to the RoamAbout 2 2 4 Overview of the AP Configuration
25. ains the information needed for an antenna installation professional to set up install and test the RoamAbout outdoor antennas and cables Appendix A provides the outdoor antenna specifications vii Associated Documents The documentation drivers and utilities can also be downloaded from the RoamAbout Wireless web site Check the RoamAbout Wireless web site regularly for product upgrades http www enterasys com wireless Component Information Location RoamAbout Access Point 2000 RoamAbout R2 Wireless Access Platform RoamAbout Access Point Manager RoamAbout 802 11 DS PC Card RoamAbout 802 11 Drivers RoamAbout Client Utility RoamAbout ISA Adapter Card RoamAbout PCI Adapter Card RoamAbout Access Point 2000 Hardware Installation Guide RoamAbout R2 Wireless Access Platform Hardware Installation Guide RoamAbout 802 11 Wireless Networking Guide and the online help RoamAbout 802 11 PC Card Drivers and Utilities CD ROM Kit and the online help RoamAbout 802 11 PC Card Drivers and Utilities CD ROM Kit and the online help RoamAbout 802 11 PC Card Drivers and Utilities Setup and Installation Guide RoamAbout 802 11 PC Card Drivers and Utilities CD ROM Kit and the online help RoamAbout ISA Adapter Installation RoamAbout PCI Adapter Installation viii Getting Help For additional support related to this device or document contact Enterasys Networks using one of the following methods
26. arate earth ground connection Check with a certified antenna installer to make sure the antenna is properly grounded e Ensure that the cable between the antenna and Lightning Protector is at least 0 9 meters 3 feet away from high voltage or high current cable e A good electrical connection must be made to one or more ground rods using at least a 10AWG ground wire and noncorrosive hardware e The grounding system must comply with electrical codes and safety standards that apply in your locality Have a qualified electrician verify that your RoamAbout outdoor installation is properly grounded CAUTION A properly installed safety grounding system is necessary to protect your RoamAbout outdoor installation from lightning strikes and static electricity build up 3 5 Lightning Protector Installation Lightning Protector Installation 3 6 Lightning protection is designed to protect people property and equipment by providing a path to the ground whenever lightning strikes your antenna installation The RoamAbout Lightning Protector is an indispensable part of such a grounding system to protect your electronic equipment from transients and or electrostatic discharges at the antenna For optimal protection the location of the RoamAbout Lightning Protector e Must be as close as possible to the point where the antenna cable enters the building e Allow for easy access to the Lightning Protector so that the Gas Discharge Tube GDT i
27. ard is connected to a 7 dBi omni directional antenna e Cardis connected to a vehicle mount antenna Countries that adhere to the Federal Communications Commission FCC standards use the standard RoamAbout PC Card in all configurations Determining the Antenna Locations Line of Sight The shape of the radio beam defined as the Fresnel Zone is widest in the middle The Fresnel Zone is shown as the gray area between the antennas in Figure 1 1 The exact shape and width of the Fresnel Zone is determined by the distance between the antenna and frequency of the radio signal The radius of the radio beam shown as the lower half of the Fresnel Zone is the distance from the center of the beam outward in any direction The length of the radius is shown in Table 1 1 and Table 1 2 as the line of sight clearance The length of the radius is not based on the data rate and the type of antenna Figure 1 1 Fresnel Zone and Line of Sight Clearance If a significant part of the Fresnel Zone is obstructed a portion of radio energy is lost resulting in reduced performance For optimal performance ensure that the antenna products you choose in combination with the height of the antenna installation above ground provide sufficient clearance to allow your antenna installation to cover the distance between the two sites Obstacles within the line of sight can significantly reduce the distance and performance Obstructions include neighboring buil
28. cal surface such as a wall In most cases mounting the antenna on a mast allows more flexibility in adjusting the height and direction of the antenna in order to better aim it at the opposite end of the wireless link The RoamAbout 14 dBi directional antenna kit includes the following hardware e A metal backing plate e Two U bolts and two clamps e Four flatwashers and four nuts Figure 3 4 illustrates how to mount the RoamAbout 14 dBi directional antenna on a mast Install the antenna with the arrows on the plastic antenna mounting base pointing up If using a tripod mount the antenna mast must be secured to the roof using 3 or 4 guy wires that are equally spaced around the mast When the height of the antenna mast is more than 3 meters 10 feet you are advised to use at least three guy wires for each 3 meter 10 foot section of the mast Figure 3 5 illustrates how to mount the RoamAbout 14 dBi directional antenna on a flat surface Install the antenna with the arrows on the plastic antenna mounting base pointing up When mounting the antenna on a flat vertical surface you must provide a smooth surface for the backing plate On wall surfaces such as brick block or stucco install an intermediate plate between the wall and the backing plate The intermediate plate must be strong enough to prevent distortion of the backing plate and the plastic antenna mounting base when the mounting hardware is tightened Make sure that the roof overhang is n
29. components The numbers in the first column correspond to the numbers in Figure 1 5 which shows an example of a RoamAbout Access Point 2000 cabling configuration Table 1 3 Access Point 2000 Directional Antenna Component Part Numbers Packaged Component Part Numbers by Domain Kit Component ETSI France Asia Pacific Asia Pacific FCC ETSI OUTDOOR CSIED AA CSIED AB CSIED AF CSIED CSIED ANTENNA AP FCC AP ETSI KIT 1 Antenna CSIES CSIES CSIES CSIES CSIES AA Y14 AB Y14 AB Y14 AB Y14 AB Y14 2 50 foot CSIES CSIES CSIES CSIES CSIES Cable AA C50 AB C50 AB C50 AB C50 AB C50 3 Pigtail CSIES CSIES CSIES CSIES CSIES Connection AA PT50 AB PT50 AB PT50 AB PT50 AB PT50 4 Access CSIWS AA CSIWS AB CSIWS AB CSIWS AB CSIWS AB Point 2000 5 PC Card CSIBD CSILD AB CSILD AF CSIBD AA CSIBD AB AA 128 6 Lightning CSIES CSIES CSIES CSIES CSIES Protector AA LP AB LP AB LP AB LP AB LP European Telecommunications Standards Institute 128 bit encryption RoamAbout PC Card NOTE An optional 75 foot cable part number CSIES AA C75 or CSIES AB C75 not included in the kit is also available Contact your Enterasys Networks Representative for more information NOTE Antenna Options Figure 1 5 Yagi Antenna Configuration Example AP 2000 Ground OUTDOOR INDOOR Low Loss I 4 Cable 2
30. dings trees and power lines as shown in Figure 1 2 Determining the Antenna Locations Figure 1 2 Potential Obstacles to Line of Sight not to scale Building blocking line of sight Power lines blocking line of sight Trees blocking line of sight Determining the Antenna Locations Other Factors That Can Reduce Antenna Range Large reflecting surfaces that are parallel or partly perpendicular to the radio signal cause reflections of the radio signal see Figure 1 3 Examples of reflecting surfaces are buildings with low emissivity low e glass crowded parking lots water moist earth moist vegetation and above ground power or telephone lines Because surrounding objects such as trees power lines and other antennas seriously reduce efficiency of the antenna it is very important to mount the antenna as high and clear of obstacles as possible Figure 1 3 Large Reflecting Surfaces Large storage tanks which are common in industrial areas Determining the Antenna Locations Othe
31. en antenna components and power lines can result in serious personal injury or possibly death Do not install antennas or cables where there is any possibility of contact with high voltage arc over from power cables or service drops to buildings During installation or removal the antenna supporting mast and or tower must not be close to any power lines The low loss antenna cable that connects the antenna to the lightning protector must be at least 1 meter 3 feet away from any high voltage or high current cable Check whether the antenna mast and its guy wires or wall bracket are positioned correctly and secured properly to the roof or wall s Check whether the grounding system for the antenna mast the RoamAbout Access Point and RoamAbout Lightning Protector have been installed The grounding system must comply with the requirements as described in the Chapter 3 Always consult a qualified electrician if you are in doubt as to whether the antenna mast Lightning Protector and or RoamAbout Access Point is properly grounded The low loss antenna cable between the antenna and the lightning protector must be grounded at all times If the cable is disconnected at one end for some reason for example to replace the lightning protector you must locally ground the exposed metal connector of the cable during the work Install the Danger label shipped with the antenna on a plainly visible area of the antenna support structure Contents Pref
32. f the AP Configuration 2 6 The following provides an overview of configuring the AP with the RoamAbout AP Manager For detailed procedures see the RoamAbout 802 11 Wireless Networking Guide or click the Help button in the AP Manager Before you begin you need the following A valid unused IP address for each AP from the network administrator The wireless MAC address of both APs The wireless MAC address is NOT the same as the wired MAC address printed on the AP label Perform one of the following to see the wireless MAC address f both APs are currently managed by the AP Manager select each AP from the Managed List field and click the Hardware button Using the RoamAbout R2 console port at each RoamAbout choose Current Settings from the RoamAbout R2 Installation Menu Using the Access Point console port at each Access Point choose Show Current Settings from the RoamAbout Access Point Installation Menu Check the back of the PC Card used in the APs The MAC address of the PC Card is the AP s wireless MAC address Install the AP Manager on a computer located on the same wired network as the AP Supported operating systems are Windows 95 98 2000 Me Windows NT V4 0 or later or Windows XP Open the AP Manager Start button Programs RoamAbout RoamAbout AP Manager Click the Setup Add New AP button Figure 2 3 When prompted click Yes to load an IP address The Load IP Address dialog box appears
33. he Lightning Protector has been installed and grounded connect the other end of the pigtail cable to the Lightning Protector If using the remote power option connect the Ethernet cable from the Access Point to the Access Point connector on the remote power adapter Record the Access Point s MAC address on the front label You need this address when configuring the Access Point from the AP Manager program If using the remote power option connect the power adapter to the Power connector on the remote power adapter Do NOT connect the power adapter to the power source at this time If using the remote power option connect the Ethernet cable from the site network to the Ethernet connector on the remote power adapter NOTE If you are not using the remote power option connect the network NOTE ang power cables directly to the Access Point Optionally snap the cover on Some installation configurations do not require the plastic cover Connect the power adapter to the power source 2 3 Overview of Connecting Cables to the RoamAbout R2 Overview of Connecting Cables to the RoamAbout R2 2 4 Before cabling the RoamAbout R2 you should install the RoamAbout R2 to a wall or ceiling For detailed hardware installation procedures see the RoamAbout R2 Wireless Access Platform Hardware Installation Guide Figure 2 2 provides you with an illustration of the steps listed in the following procedure 1 Insert the PC Card s in
34. he metal mounting bracket Slide the clamp G over the mast Secure both sides of the metal mounting bracket with antenna to the mast I using the washer lockwasher and nut Avoid overtightening Install the washer C lock washer D and nut E to the bottom of the antenna base Connect the antenna cable J to the threaded portion of the antenna mounting base Connect the antenna cables as described in the Connecting the Antenna Cables section on page 3 15 Mounting the Antenna Figure 3 6 Mounting the Omni Directional Antenna to a Mast 5 3 13 Mounting the Antenna Mounting the Vehicle Mount Antenna The vehicle mount antenna is typically connected to a client in a wireless infrastructure network The antenna is mounted to a moving vehicle such as a fork lift 1 Drill a hole in the top of the vehicle so that the antenna connector at the bottom of the antenna as shown in Figure 3 7 but not the base fits through the hole You can also provide and use a bracket to install the antenna to the side of the vehicle 2 Remove the plastic cap from the connector 3 Screw the antenna to the top of the base Finger tighten only 4 Install the antenna and base to the vehicle using the hardware provided as shown in Figure 3 7 Make sure that the gasket is between the antenna base and the vehicle 5 Usethe RoamAbout pigtail connection to connect the anten
35. ional instructions cautions or regulations apply Verify that the antenna installer is aware of these issues and regulations There is no guarantee that interference to radio communications will not occur in a particular commercial installation If this device does cause interference which can be determined by turning the host equipment off and on the user should refer to the host equipment documentation or contact the local equipment supplier In case the device does cause interference with an authorized radio service the user operator shall promptly stop operating the device until interference is eliminated Enterasys Networks is not responsible for any radio or television interference caused by unauthorized modification of the devices included with the RoamAbout Outdoor Kit or the substitution or attachment of connecting cables and equipment other than that specified by Enterasys Networks The correction of interference caused by such unauthorized modification substitution or attachment is the responsibility of the user Electrical Hazard Warnings 1 10 1 Antennas and cables are electrical conductors Do not touch antennas RoamAbout Lightning Protectors or antenna cables during a thunderstorm The location where you install each antenna must be at a safe distance from power lines or telephone lines The safe distance should be at least twice the height of the antenna mast plus the height of the antenna The Contact betwe
36. lowing the provisions of the EMC Directive 89 336 EEC ETS 300 826 General EMC requirements for Radio equipment ETS 300 328 Technical requirements for Radio equipment User Information To comply with the regulations listed above you must install and use each of the RoamAbout Outdoor Kit components Lightning Protector Cables and Antennas in strict accordance with the instructions in this guide Antennas shall be mounted in such a manner to minimize the potential for human contact during normal operation To avoid the possibility of exceeding FCC radio CAUTION This equipment may cause exposure to Radio Frequency radiation frequency exposure limits do not touch the antenna during operation WARNING The RoamAbout outdoor antennas need to be installed by an antenna installation professional who can determine provide and install the necessary support structure and grounding system The antenna installation professional should be licensed or certified in accordance with local regulations Notice When connecting RoamAbout devices to equipment other than the Enterasys Networks RoamAbout products described in this guide the antenna installation may no longer comply with the regulations as defined above In this case it is the responsibility of the user to ensure that the entire antenna installation complies with local radio regulations Consult the user documentation that came with the other equipment to determine whether addit
37. lt RoamAbout R2 4 Ensure both Earth Ground Connections are connected to the same Earth Ground using an equipotential bonding conductor Contacting an Antenna Installation Company Contacting an Antenna Installation Company Have an antenna installation professional install the outdoor antennas The antenna installer provides the expertise to properly install secure and ground your antenna The following describes tasks that the installer may need to perform NOTE The antenna installation professional should be licensed or certified in accordance with local regulations Lightning Protection Y Determine the mounting location for the lightning rod positioned near the antenna V Ensure an earth ground location for the antenna structure and lightning protector Mounting Requirements N Determine the type of mounting that is required tripod wall mount etc N Determine the guy wires needed Typically three guy wires are needed for each 3 meter 10 foot section of the mast for example 6 meters 20 feet of mast requires six guy wires Line of Sight N Determine the mounting location for the antenna A Ensure that the back of the antenna is clear EN Ensure that remote and local antennas can see each other Ensure that no obstacles in the direct path or within the defined zone of the two sites Y Consider whether any Radio Frequency RF interference is present Contacting an Antenna
38. material such as galvanized or stainless steel construction pipe e Mast diameter should be between 35 mm 1 4 in and 42 mm 1 6 in e Antenna mast length must be sufficient to allow an antenna height at least 1 5 meters 5 feet above the roof peak If the roof is metal the antenna height should be a minimum of 3 meters 10 feet above the roof Mounting the Antenna Antenna Polarization With RoamAbout outdoor antenna products it does not matter what type of polarization you choose as long as the antenna at one end of the communications link is mounted in the same plane as the antenna at the other end Radio waves emitting from a Yagi directional antenna are linear leaving the antenna in the same plane as the antenna elements e When the elements are positioned up and down the radio waves are vertically polarized e When the antenna elements are positioned left and right the radio waves are horizontally polarized Vertical polarization is standard for the RoamAbout 14 dBi directional antenna To minimize the influence of cross talk between antennas you might need to mount the antenna for horizontal polarization when e Multiple antennas are mounted on the same antenna mast e The wireless link transmissions cross another radio beam from a neighboring installation 3 9 Mounting the Antenna Mounting the Directional Antenna 3 10 You can mount the RoamAbout 14 dBi directional antenna on a mast or a flat verti
39. n the Lightning Protector can be replaced as necessary e Provide a connection to the same grounding system as the RoamAbout AP and the antenna mast as described in the Verify Component Connector Polarity section on page 3 2 Lightning Protector Installation To install the RoamAbout Lightning Protector perform the following steps 1 2 3 Determine a suitable location for the Lightning Protector as described in Chapter 2 As shown in Figure 3 3 secure bracket A to the wall using two screws F Use a ring terminal to connect ground wire C to bolt B The ring terminal and ground wire are provided by the installer Secure bolt B to the bracket 3 7 Mounting the Antenna Mounting the Antenna This section includes requirements and mounting guidelines for the RoamAbout outdoor antennas Requirements for the Directional and 7 dBi Omni Directional Antennas 3 8 To minimize the influence of obstacles signal interference or reflections install the antenna at least 2 meters 6 feet away from all other antennas If you need to mount multiple antennas on a single mast alternate the mounting of directional antennas for vertical and horizontal polarization In subfreezing conditions the communications link could fail if an antenna is exposed to ice buildup or covered with snow A mast not provided must satisfy the following requirements e The mast must be constructed of sturdy weatherproof noncorrosive
40. na to the RoamAbout PC Card in the client Figure 3 7 Mounting the Vehicle Mount Antenna m Base ee Connector d Gasket I Mounting a Emm 4 Lock Washer SS Nut Connecting the Antenna Cables Connecting the Antenna Cables To connect your RoamAbout AP to an outdoor antenna installation you need the following components pictured on the right side of this page A RoamAbout Pigtail Connection 50 cm B RoamAbout Lightning Protector C Low Loss Antenna Cable D Outdoor Antenna Cable G The Pigtail Connection A connects the PC Card to the Lightning Protector B Antenna Cable Route NOTE Shortening the antenna cables voids the Warranty NOTE and may conflict with radio certifications and or approvals The cable should not be installed into tight positions as bending or applying excessive force to the connectors may damage the antenna cable Always A allow the cable to bend naturally around corners The recommended bend radius is 25 mm 1 in The low loss antenna cable must be secured along its complete length No part of the cable should be allowed to hang free This is particularly important for cable parts that are installed outdoors The antenna cables and cable connectors are not designed to withstand excessive force e not
41. ops The directional antenna can also be installed to the side of a building The vehicle mount antenna is mounted to a vehicle and connected to the client with a 2 5 meter 8 foot cable The following sections describe the factors that affect the range of the antennas Maximum Distances Between Antennas The following tables list the maximum distance between antennas at a given data rate The distance in tables are based on the following e 15 meter 50 foot low loss antenna cable from the antenna to the AP e Type of PC Card standard or Hi Gain matched See the RoamAbout PC Card Variations section on page 1 4 e No obstructions in the line of sight See Table 1 1 and Table 1 2 The Line of Sight Clearance column indicates the radius of the radio beam Obstructions in the line of sight reduces the total distance as described in the Line of Sight section on page 1 5 Table 1 1 Distances and Line of Sight Clearance FCC Data 14 dBi Yagi to 14 dBi Yagi 14 dBi Yagi to 7 dBi Omni 7 dBi Omni to Rate Vehicle Mount Mbit s F E Distance Line of Distance Line of Distance Line of Sight Sight Sight Clearance Clearance Clearance 11 5 6 km 9 8m 2 5 km 6 3 m 0 8 km 3 4m 3 5 mi 33 ft 1 5 mi 21 ft 0 5 mi 11 2 ft 5 5 7 9 km 12 1 m 3 5 km 7 5 m 1 1 km 4 1m 4 9 mi 40 ft 2 1 mi 25 ft 0 7 mi 13 5 ft 2 11 2 km 15 4 m 5 km 9 1m 2km 5 6m 6 9 mi 51 ft 3 1 mi 3
42. ors Secure the cable along its complete length No part of the cable should be allowed to hang free Use waterproof stretch tape to seal all outdoor connectors Optimizing RoamAbout Outdoor Antenna Placement Optimizing RoamAbout Outdoor Antenna Placement If an AP is connected to an outdoor directional antenna the antenna must be pointed directly at the antenna for the other AP A misaligned antenna can decrease the signal level or prevent communications Aligning an omni directional antenna is less critical due to its wide radiation pattern For optimal performance make sure the antennas are properly aligned e Use a pair of binoculars to point the antennas at each other e Analyze the quality of the radio link using the RoamAbout AP Manager The RoamAbout AP Manager provides a Link Test diagnostic tool that can help you adjust the directional antenna to optimize the signal between APs To test the link between two APs that both use directional antennas you may need one person at each antenna and a method to communicate with those people For details on installing and using the AP Manager refer to the RoamAbout 802 11 Wireless Networking Guide To run the Link Test tool perform the following steps 1 There are two ways to access the Link Test window a Highlight8 h 9 9 a2 e 8 s T e 7 6e 6145 0 2 oum 4 4 TJI 1Tc04 3 e 7 117 614 3 17 Routine Maintenance Routine Maintenance Routine maintenance is required for each
43. ot excessive and that the location is high enough to provide a clear line of sight Both figures illustrate mounting the antenna for vertical polarization When completed connect the antenna cables as described in the Connecting the Antenna Cables section on page 3 15 Mounting the Antenna Figure 3 4 Mounting the 14 dBi Antenna to a Mast Side View Direction of Maximum Signal gt Clamp T7 Backing Plate Antenna Mounting Base Flatwasher Always place flatwashers between nuts and the Antenna Mounting Base Top View Figure 3 5 Mounting the 14 dBi Antenna to a Wall Direction of Maximum Signal Backing Plate Antenna Mounting Base Flatwasher Always place flatwashers between nuts and Antenna Mounting Base Intermediate Plate Not Included Required when mounting antenna on a rough surface 8 11 Mounting the Antenna Mounting the Omni Directional Antenna NOTE To avoid signal reflection you should not install the antenna to the side of a building The RoamAbout 7 dBi omni directional antenna kit includes a metal backing plate two hose clamps and a nut and lockwasher Refer to Figure 3 6 and perform the following 1 Insert the threaded portion of the antenna mounting base A through the top of the mounting bracket B Ensure that the antenna fits snug into the metal mounting bracket by tightening the screw on the mounting bracket F Secure the antenna to t
44. r Beamwidth NA e Polarization Vertical e Power Handling 100 Watts Antenna Environment e Operating Temperature 40 C to 60 C 40 F to 140 F e Relative Humidity Range 0 100 e Wind survival mph 194 km h 120 mph Wind rating 129 km h 80 mph Wind load 202 km h 125 mph 104 km h 65 mph with 1 25 cm 0 5 in ice RoamAbout Pigtail Connection RoamAbout Pigtail Connection The RoamAbout Pigtail Connection is a proprietary cable used to connect the RoamAbout PC Card to a RoamAbout outdoor antenna system One end of the cable has a proprietary connector which is connected to the RoamAbout PC Card The N Type connector at the opposite end of the cable matches the polarity of the N connectors of the other components that are part of your outdoor antenna cabling system subject to the country where the RoamAbout Pigtail Connection was purchased Table A 4 Pigtail Connection Specifications Mechanical Length 50 cm 19 5 in Connector Type Access Point 2000 FCC Countries Reverse Polarity N Female ETSI Countries France Standard N Male Japan Asia Pacific Connector Type RoamAbout R2 FCC Countries Standard N Male ETSI Countries France Standard N Male Japan Asia Pacific Operating Temperature 40 C to 85 C 40 F to 185 F Electrical Frequency Range 800 2500 MHz Insertion Loss 0 9 dB
45. r Requirements The following describes other requirements to meet before installing the RoamAbout outdoor antennas e Lightning Protection A lightning rod must be placed close to the antenna mast or wall bracket This is required to protect the antenna from direct lightning strikes e Grounding System Direct earth grounding of the antenna and the Lightning Protector is necessary to protect the installation from lightning and the build up of static electricity The wireless device and the Lightning Protector must be connected to the same earth ground using separate grounds The antenna and the mounting structure require separate grounds to the same earth ground using an equipotential bonding conductor Check with a certified antenna installer to make sure the antenna is properly grounded Ensure that the cable between the antenna and Lightning Protector is at least 0 9 meters 3 feet away from high voltage or high current cable e Antenna Height If you are mounting the antenna on a roof it must be at least 1 5 meters 5 feet above the roof line If you are mounting the directional antenna to a wall of a building it must be high enough to achieve a clear line of sight Mounting an omni directional antenna to the side of a building can cause signal reflection and reduce distance NOTE The installer is responsible for local building codes e AP placement The AP should be located indoors and connected to the outdoor antenn
46. tandard N Female on both ends Standard N Male on both ends Standard N Female The term Male or Female does not refer to the connector thread but to its center pin e Male connectors have a solid center pin Female connectors have a hollow center pin Male Female If you purchase individual components make sure you specify the correct N Type connectors to match the configuration that applies to your country 3 4 Grounding System Grounding System Direct earth grounding of the antenna and the Lightning Protector is necessary to protect the installation from lightning and the build up of static electricity CAUTION The antenna mast RoamAbout AP and lightning protector A must be connected to the same earth ground with separate grounds using an equipotential bonding conductor A good electrical connection should be made to one or more ground rods using at least a IOA AWG ground wire and non corrosive hardware The grounding system must comply with the National Electrical Code and safety standards that apply in your country Always check with a qualified electrician to determine whether your outdoor installation is properly grounded The grounding system must satisfy the following requirements e The antenna mast RoamAbout and RoamAbout Lightning Protector must be connected to the same earth ground using an equipotential bonding conductor e antenna and the mounting structure require a sep
47. to the RoamAbout R2 Refer to RoamAbout 802 11 PC Card Installation Guide for Regulatory and Installation information before installing the PC Card Figure 2 2 RoamAbout R2 Installation Overview Located Behind Insert Ethernet PC Card Slot 2 Cable from Network To Lightning Protector 4 0 PC Card Slot 1 Mac Address Overview of Connecting Cables to the RoamAbout R2 Remove the plastic cap from the PC Card s and connect the pigtail cable After the Lightning Protector has been installed and grounded connect the other end of the pigtail cable to the Lightning Protector Connect the Ethernet cable from the RoamAbout R2 to the RoamAbout R2 connector on the power adapter Record the RoamAbout R2 s MAC address located on the side of the unit You need this address when configuring the RoamAbout R2 from the AP Manager program If using the remote power option connect the power adapter to the power connector on the remote power adapter Do NOT connect the power adapter to the power source at this time If using the remote power option connect the Ethernet cable from the site network to the Ethernet connector on the remote power adapter NOTE If you are not using the remote power option connect the network NOTE ang power cables directly to the RoamAbout R2 Optionally snap on the security cover Connect the power adapter to the power source 2 5 Overview of the AP Configuration Overview o
48. twork up to seven APs provide wireless links to connect up to seven LANs One AP is designated as the central multipoint AP The other APs are called endpoints and only communicate with the Central AP Typically the Central AP connects to an omni directional antenna The endpoint APs connect to a directional antenna NOTE Slot 2 of the RoamAbout R2 does not support Multipoint mode Wireless Infrastructure This 1s an inside outside wireless network where one or more APs are used to connect clients to a wired LAN Typically the APs use an omni directional antenna or a sectored antenna and the clients use a vehicle mount antenna An example of this type of network is a warehouse where drivers in forklifts need to access the LAN Determining the Antenna Locations 1 2 The locations where the antennas can be placed relative to one another and the distance between them are based on the following factors Type of antennas The RoamAbout antennas are described in the Antenna Options section on page 1 9 Length of cable from the antenna to the AP Data rate required Obstructions in the signal path Type of RoamAbout PC Card Ina LAN to LAN network the distance between the buildings In a wireless infrastructure network the area around the antenna where clients need to communicate with the AP Determining the Antenna Locations Typically the RoamAbout directional and omni directional antennas are installed on rooft
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